The ornamental design for a tent, as shown and described.
FIG. 1 is a top front perspective view of a tent showing the claimed design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines in the figures show portions of the tent that form no part of the claimed design.
The dot-dash broken lines in the figures and the areas within the dot-dash broken lines show portions of the tent that form no part of the claimed design.